Solve the system of linear equations. If the system has infinitely many solutions, describe the solution with an ordered triple in terms of variable z.x + 3y + 2z=114y + 9z=-12x + 7y + 11z=- 1
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Use the shell method to find the volume of the solid generated by revolving the shaded region about the indicated axis.About the y-axisx = 4
A. 20? B. 48? C. 40? D. 32?
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Determine whether the polynomial is a perfect square trinomial, a difference of squares, or neither.x2 - 4
A. Perfect square trinomial B. Neither C. Difference of squares
Mathematics
Find the angles of the trignometric values in degrees. ? represents the unknown angle measure. sin ? = 0.5589
A. 33.98° B. 9.14° C. 9.1° D. 34.0°
Mathematics
Solve the problem.Find (f + g)(x) given f(x) = 
and g(x) = 
.
A. 
B. - 
C. 
D. 
Mathematics